.main_index_rigth{float: left;width:70%;margin-bottom: 50px;}
.index_home {border:0px;float: left;}
.index_home li{float: left;margin-left:10px;margin-top: 10px;list-style: none;}
.index_home li a{border:0px;text-decoration: none;}
.index_home li a img{border:0px;}